Bottom Line: If you're new to the world of fitness tracking, the Fitbit Blaze is a solid choice. But if you're looking for a smartwatch, or to upgrade anything but a first-generation tracker, the Blaze is unlikely to satisfy.

Bottom Line: If you're new to the world of fitness tracking, the Fitbit Blaze is a solid choice. But if you're looking for a smartwatch, or to upgrade anything but a first-generation tracker, the Blaze is unlikely to satisfy.

Bottom Line: So much more than a heart rate monitor, the Wahoo Tickr X doubles as a run tracker, works indoors and outdoors, and even counts reps during strength training. It does all that and more for the same price as competitors, making it an absolute steal.

Bottom Line: So much more than a heart rate monitor, the Wahoo Tickr X doubles as a run tracker, works indoors and outdoors, and even counts reps during strength training. It does all that and more for the same price as competitors, making it an absolute steal.

Bottom Line: Outdoor enthusiasts may be wooed by the TomTom Adventurer's ability to display preloaded routes, but issues with all-day wear and a few other drawbacks make this fitness tracker less appealing than it could be.

Bottom Line: Outdoor enthusiasts may be wooed by the TomTom Adventurer's ability to display preloaded routes, but issues with all-day wear and a few other drawbacks make this fitness tracker less appealing than it could be.